Automatic speaking valve



FIG. 1 is a right front perspective view of an automatic speaking valve showing my new design;

FIG. 2 is a left front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for an automatic speaking valve, as shown and described. 